The "One Channel 5V Relay Module" in a good package, i opened, fired up arduino, put in a protoboard, tested, works OK. Then i moved to my gardening project to replace another one, its been there for a month, and its working great! There is no con HOW TO USE IT:
Plug VCC on arduino 5v (or external ... Read more
Works out of the box with 5V microcontroller boards like the Arduino Uno. Just hook it up to Ground, 5V and a pin of your choice. Use writeDigital(HIGH) or LOW to switch the relay on or off (or rather close the circuit Common - Normally Open). The screw terminals (NO, NC, C) are not properly labeled ... Read more
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